212011101002109 has 16 divisors (see below), whose sum is σ = 299221783257600. Its totient is φ = 133153693536816.

The previous prime is 212011101002101. The next prime is 212011101002117. The reversal of 212011101002109 is 901200101110212.

It is an interprime number because it is at equal distance from previous prime (212011101002101) and next prime (212011101002117).

It is not a de Polignac number, because 212011101002109 - 2³ = 212011101002101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011101002101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10389635049 + ... + 10389655454.

It is an arithmetic number, because the mean of its divisors is an integer number (18701361453600).

Almost surely, 2^{212011101002109} is an apocalyptic number.

It is an amenable number.

212011101002109 is a deficient number, since it is larger than the sum of its proper divisors (87210682255491).

212011101002109 is a wasteful number, since it uses less digits than its factorization.

212011101002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20779290704.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 212011101002109 in words is "two hundred twelve trillion, eleven billion, one hundred one million, two thousand, one hundred nine".